Examples with AffineTransformOp java.awt.image.AffineTransformOp used on opensource projects

Example 41 with AffineTransformOp

use of java.awt.image.AffineTransformOp in project runelite by runelite.

the class PuzzleSolverOverlay method getRotatedImage.

private BufferedImage getRotatedImage(BufferedImage image, double theta) {
    AffineTransform transform = new AffineTransform();
    transform.rotate(theta, image.getWidth() / 2, image.getHeight() / 2);
    AffineTransformOp transformOp = new AffineTransformOp(transform, AffineTransformOp.TYPE_BILINEAR);
    return transformOp.filter(image, null);
}

Example 42 with AffineTransformOp

use of java.awt.image.AffineTransformOp in project AozoraEpub3 by hmdev.

the class JCoverImagePanel method createPreviewImage.

/**
 * プレビュー用の小さい画像を生成
 */
private void createPreviewImage(double scale) {
    BufferedImage previewImage = new BufferedImage((int) Math.round(this.bookInfo.coverImage.getWidth() * scale), (int) Math.round(this.bookInfo.coverImage.getHeight() * scale), BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = previewImage.createGraphics();
    try {
        g2.setColor(Color.WHITE);
        g2.fillRect(0, 0, previewImage.getWidth(), previewImage.getHeight());
        AffineTransformOp ato = new AffineTransformOp(AffineTransform.getScaleInstance(scale, scale), AffineTransformOp.TYPE_BICUBIC);
        g2.drawImage(this.bookInfo.coverImage, ato, 0, 0);
    } finally {
        g2.dispose();
    }
    this.previewImage = previewImage;
}

Example 43 with AffineTransformOp

use of java.awt.image.AffineTransformOp in project AozoraEpub3 by hmdev.

the class JCoverImagePanel method getModifiedImage.

/**
 * 編集された表紙を取得
 */
public BufferedImage getModifiedImage(double coverW, double coverH) {
    try {
        // 表紙なし
        if (this.bookInfo.coverImage == null)
            return null;
        double scale = Math.min((double) this.getWidth() / bookInfo.coverImage.getWidth(), (double) this.getHeight() / this.bookInfo.coverImage.getHeight());
        if (this.visibleWidth <= 0)
            this.visibleWidth = this.getWidth();
        // トリミングと幅変更なしで、表紙サイズならnullを返す
        if (this.scale == scale && this.visibleWidth == this.getWidth()) {
            // if ()
            return null;
        }
        if (this.previewImage == null)
            this.createPreviewImage(this.scale);
        // 縮尺に合せてリサイズ 大きければ縮小
        double coverScale = 1;
        if (coverW > 0 && coverH > 0)
            coverScale = Math.min(coverW / this.visibleWidth, coverH / this.getHeight()) * this.scale;
        else if (coverW > 0)
            coverScale = (coverW / this.visibleWidth) * this.scale;
        else if (coverH > 0)
            coverScale = (coverH / this.getHeight()) * this.scale;
        coverW = Math.min(coverW, this.bookInfo.coverImage.getWidth() * coverScale);
        coverH = Math.min(coverH, this.bookInfo.coverImage.getHeight() * coverScale);
        if (coverScale > 1) {
            coverW /= coverScale;
            coverH /= coverScale;
            coverScale = 1;
        }
        coverW *= this.visibleWidth / Math.min(this.getWidth(), this.previewImage.getWidth());
        int x = 0;
        if (this.visibleWidth < this.previewImage.getWidth())
            x = (int) Math.round(this.offsetX * coverW / this.visibleWidth);
        int y = 0;
        if (this.getHeight() < this.previewImage.getHeight())
            y = (int) Math.round(this.offsetY * coverH / this.getHeight());
        BufferedImage coverImage = new BufferedImage((int) coverW, (int) coverH, BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = coverImage.createGraphics();
        try {
            // リサイズのatoとoffset指定でdrawImage
            AffineTransformOp ato = new AffineTransformOp(AffineTransform.getScaleInstance(coverScale, coverScale), AffineTransformOp.TYPE_BICUBIC);
            g2.setColor(Color.WHITE);
            g2.fillRect(0, 0, (int) coverW, (int) coverH);
            g2.drawImage(this.bookInfo.coverImage, ato, x, y);
        } finally {
            g2.dispose();
        }
        return coverImage;
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

Example 44 with AffineTransformOp

use of java.awt.image.AffineTransformOp in project digilib by robcast.

the class BioFormatsDocuImage method scale.

@Override
public void scale(double scaleX, double scaleY) throws ImageOpException {
    logger.debug("scale: " + scaleX);
    /* for downscaling in high quality the image is blurred first */
    if ((scaleX <= 0.5) && (quality > 1)) {
        int bl = (int) Math.floor(1 / scaleX);
    // blur(bl);
    }
    /* then scaled */
    AffineTransformOp scaleOp = new AffineTransformOp(AffineTransform.getScaleInstance(scaleX, scaleY), renderHint);
    img = scaleOp.filter(img, null);
    logger.debug("scaled to " + img.getWidth() + "x" + img.getHeight() + " img=" + img);
    // invalidate image size
    imageSize = null;
}

Example 45 with AffineTransformOp

use of java.awt.image.AffineTransformOp in project digilib by robcast.

the class ImageLoaderDocuImage method rotate.

/* 
     * (non-Javadoc)
     * @see digilib.image.DocuImageImpl#rotate(double)
     */
public void rotate(double angle) throws ImageOpException {
    logger.debug("rotate: " + angle);
    // setup rotation
    double rangle = Math.toRadians(angle);
    // center of rotation is center of image
    double w = img.getWidth();
    double h = img.getHeight();
    double x = (w / 2);
    double y = (h / 2);
    AffineTransform trafo = AffineTransform.getRotateInstance(rangle, x, y);
    AffineTransformOp rotOp = new AffineTransformOp(trafo, renderHint);
    // rotate bounds to see how much of the image would be off screen
    Rectangle2D rotbounds = rotOp.getBounds2D(img);
    double xoff = rotbounds.getX();
    double yoff = rotbounds.getY();
    if (Math.abs(xoff) > epsilon || Math.abs(yoff) > epsilon) {
        // move image back on screen
        logger.debug("move rotation: xoff=" + xoff + " yoff=" + yoff);
        trafo.preConcatenate(AffineTransform.getTranslateInstance(-xoff, -yoff));
        rotOp = new AffineTransformOp(trafo, renderHint);
    }
    // transform image
    img = rotOp.filter(img, null);
    logger.debug("rotated: " + img);
    // invalidate image size
    imageSize = null;
}